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Due to Component and Supply Shortages World Wide Due to Component and Supply Shortages World Wide
Macurco EX-CO-250P-O Carbon Monoxide (CO) 0-250PPM Explosion Proof Monitor
Macurco EX-CO-250P-O Carbon Monoxide (CO) 0-250PPM Explosion Proof Monitor

Macurco EX-CO-250P-O Carbon Monoxide (CO) 0-250PPM Explosion Proof Monitor

Manufacturer Part#:70-2900-0238-5
Our Part#:70-2900-0238-5
Stock Status: Call for Availability
Your Price:$1,037.14







Feature 5



The Macurco EX Series of Explosion Proof Gas Detectors are used for Class 1 Division 1 applications or harsh environments. A brilliant digital display indicates STEL, TWA and peaks daily value concentrations as well as relay status. A three-color backlight will flash depending on the level of alarm for operator safety. Set-up and calibration are accomplished via a non-intrusive magnetic interface that allows programming of all parameters. A remote sensor option is available for difficult or remote monitoring applications. Compatible sensor types include electrochemical and catalytic bead options to provide monitoring solutions for a wide variety of toxic and combustible gas applications. Standard outputs include Modbus RS-485, 4-20 mA and three user-programmable relay contacts.

Features and Benefits
  • RS-485 Communication
  • Three Onboard Relays
  • 4-20 mA Output
  • Non-intrusive Magnetic Calibration
  • Status Indicating Warning Screens
  • Display of TWA, STEL, Peak Daily Value
  • Electrochemical & Catalytic Bead Sensor Technologies
  • Built-in Clock

  • Chemical / Petrochemical
  • Food & Beverage
  • General Industry
  • Oil & Gas Upstream
  • Oil & Gas Midstream
  • Oil & Gas Downstream
  • Extraction Facilities
  • Environmental Monitoring
  • Pharmaceutical
  • Power Generation
  • Pulp & Paper
  • Water & Wastewater
  • Cold Storage / Warehousing
  • Alcohol Distilleries
General Specification:
Size: 5.7 x 7.5 x 5.1 in. (14.5 x 19.1 x 13 cm)
Weight: 4.2 lb. (1.95 kg)
Operating Temperature: -40° to 158° F (-40° to 70°C)
Ambient Humidity: 5-95% RH Non-Condensing
Sensor Type: Combustible Gases- Catalytic; Toxic Gases & Oxygen- Electrochemical

Electrical Specifications:
Input Power: 24 VDC nominal, range 18 to 30 VDC; 0.3 A DC Total Max.; 24 VAC nominal, range 12 to 24 VAC; 0.3 A AC Total Max. (AC must not be grounded)
Fuse: F2 on Main Board: Polyswitch 750 mA; Polyswitch device resets after the fault is cleared and power to the circuit is removed
Relays: Three Relays, SPDT, Dry Contacts- 1.0 A maximum at 30 VDC (resistive load); 0.3 A maximum at 125 VAC (resistive load)

Mechanical Specifications:
Display: LCD graphics display with backlight
Keypad: Three Non-Intrusive Magnetic switches – F1, F2, F3
Enclosure: Aluminium Pressure Die-Casting- Entries: 2 x 3/4” NPT
Certificate: FM 3615, CSA C22.2 No.30; Class I, Groups A, B, C, D, Class II; Groups E, F, G; Class III; Enclosure Type: 4X, Division 1 Division 2
ANSI/ISA 12.22.01; Class I, Zone 1 AExd II C, IP66 Zone 1; CSA 60079-1 Ex d II C, Class I, Zone 1, IP66
Status Indicators: Five Status LED’s – RS-485 TX Status (Green); RS-485 RX Status (Green); Relay 1 Status (Red); Relay 2 Status (Red); Relay 2 Status (Red)

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